From: Michael S. Tsirkin <mst@redhat.com>
Date: Thu, 5 Mar 2015 00:15:49 +0000 (+1030)
Subject: virtio_console: avoid config access from irq
X-Git-Tag: omap-for-v4.1/fixes-rc1~315^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=eeb8a7e8bb123e84daeef84f5a2eab99ad2839a2;p=pandora-kernel.git

virtio_console: avoid config access from irq

when multiport is off, virtio console invokes config access from irq
context, config access is blocking on s390.
Fix this up by scheduling work from config irq - similar to what we do
for multiport configs.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Amit Shah <amit.shah@redhat.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Cc: stable@kernel.org
---

Reading git-diff-tree failed